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Inventory - Narrative (Details) (USD $) |  |  | 3 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 home | Sep. 30, 2013 home | Dec. 31, 2012 Minimum [Member] | Dec. 31, 2012 Maximum
Real Estate Properties [Line Items] |  |  |  |
Number of substantially completed homes | 133 | 113 |  |
Total value of substantially completed homes | $ 33,400,000 | $ 30,700,000 |  |
Discount rate |  |  | 10.90% | 13.00%
Deposits and non-refundable preacquisition costs incurred | 44,301,000 | 37,313,000 |  |
Total remaining purchase price committed under all options | $ 362,044,000 | $ 288,638,000 |  |

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- Details
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